CHICAGO- DEC. 2: Mayor Richard M.Daley participated in Chicago's 95th Annual Christmas Tree Lighting Ceremony in Daley Plaza in Chicago,Illinois. The sponsor,UL(Underwriters Laboratories)participated to spread the word about home safety this holiday season.Underwriters Laboratories, the trusted source for product compliance, has safety in mind this holiday season. ÊBy seeing a UL Mark on any holiday product purchased, families can trust that those products have met ULÕs Safety Standards. ÊJust look for the UL Mark and trust that those holiday lights, decorations and gifts can help you have a safe holiday season. Pictured is Keri posing with Santa Claus after the ceremony.December 2,2008. (Photo by Linda Matlow/PIXINTL).